1. 功能
bMap.js 可根据地理位置调用出百度地图,采用弹出框形式
2.用法
var city = ‘青岛市‘; var address = ‘香港中路‘; bMap.init({ city : city, address : address });
3.依赖
需自行引入jquery以及layer.js(弹出框插件)
4. 局限
各模块之间耦合度过于紧密,插件化程度太低,依赖性太强
5. demo下载
地址 :http://pan.baidu.com/s/1pJAxOnT
6. 源码预览
;!(function(window){ window.bMap = { //默认配置 config : { width : ‘700px‘, height : ‘500px‘, city : ‘北京市‘, address : ‘天安门‘, scaleControl : true, bMapApiUrl : ‘http://api.map.baidu.com/api?v=2.0&ak=C474e91657d303114af6e8df1931a392‘, bMapGeocoderUrl : ‘http://api.map.baidu.com/geocoder/v2/?ak=C474e91657d303114af6e8df1931a392&output=json‘ }, //中转方法,异步加载加载百度Api, initVariable : function(){ if(!window.BMap){ this.loadScript(bMap.config.bMapApiUrl+‘&callback=bMap.openMap‘); }else{ this.openMap(); } }, //加载script loadScript : function(url){ var script = document.createElement(‘script‘); script.setAttribute(‘type‘,‘text/javascript‘); script.setAttribute(‘src‘,url); document.body.appendChild(script); }, //生成地图容器 createMapContainer : function(){ var mapContainer = document.createElement(‘div‘); mapContainer.setAttribute(‘id‘,‘mapContainer‘); mapContainer.style.width = this.config.width; mapContainer.style.height = this.config.height; document.body.appendChild(mapContainer); return mapContainer; }, //确定坐标位置,并去初始化BMap openMap : function(){ $.getJSON(bMap.config.bMapGeocoderUrl+"&address="+bMap.config.address+"&city="+bMap.config.city+"&callback=?", function(data){ if(data && data.status==0){ bMap.createBMap && bMap.createBMap(data.result); }else{ layer.msg(data.msg?data.msg:‘请求失败!‘); } }); }, //入口方法 init : function(setings){ this.config = $.extend({} , bMap.config , setings); this.initVariable(); }, //弹出遮罩层 showLayer : function(domObj){ var mylayer = $.layer({ type: 1, title: false, closeBtn : [0 , true], border : [7, 0.1, ‘#222‘, true], shade : [0.5 , ‘#222‘ , true], offset: [‘30px‘,‘50%‘], //move: [‘.juanmove‘, false], area: [this.config.width,‘auto‘], page: { dom: domObj }, close : function(){ layer.close(mylayer); domObj.remove();// 移除dom节点,否则多次调用会导致地图显示异常 } }); }, //调用百度地图api createBMap : function(initObj){ var mapContainer = document.getElementById(‘mapContainer‘); if(!mapContainer){ mapContainer = this.createMapContainer(); } var map = new BMap.Map(mapContainer); // 创建Map实例 map.addControl(new BMap.MapTypeControl()); //地图类型组件 map.addControl(new BMap.NavigationControl()); if(this.config.scaleControl){ map.addControl(new BMap.ScaleControl()); } map.addControl(new BMap.OverviewMapControl()); map.enableScrollWheelZoom(); //缩放 var point = new BMap.Point(initObj.location.lng,initObj.location.lat); // 初始化定位 map.centerAndZoom(point, 16); // 初始化地图,设置中心点坐标和地图级别 map.clearOverlays(); var marker = new BMap.Marker(point); // 创建标注,为要查询的地址对应的经纬度 map.addOverlay(marker); this.showLayer(mapContainer); } } })(window)
时间: 2024-11-29 04:19:02